Bottle neck



FIG. 1 is a perspective view of a bottle neck showing an embodiment of the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a perspective view thereof, with additional unclaimed, environmental features shown for context.

The broken lines shown in the drawing views are included for the purpose of showing environmental structure that forms no part of the claimed design. 

CLAIM I claim the ornamental design for a bottle neck, as shown and described. 